APDye Fluor 647 Maleimide

Catalog #: AP12455
Name: APDye Fluor 647 Maleimide
Chemical Formula: C46H57N4Na3O15S4
Molecular Weight: 1103.2
Solubility: Water, DMSO, DMF
Abs/Em Maxima: 649/671 nm
Extinction coefficient: 270,000 cm-1M-1
Spectrally similar dyes: Cy5, DyLight¬ 649,
Purity: ≥98%
Availability: In Stock

DESCRIPTION
APDye™ alexa fluor 647 maleimide is a water-soluble, far-red-fluorescent dye that is spectrally similar to other 650 dyes that are used for flow cytometry, microscopy and other applications. APDye™ Fluor 647 conjugates ideally suited for the 633 nm or 647 nm laser lines. A significant advantage to using long wavelength dyes such as Cy5 or APDye™ Fluor 647 over other fluorophores is the low autofluorescence of biological specimens in this region of the spectrum.
Maleimide is the most popular sulfhydryl-reactive reactive group for conjugating the dye to a thiol group on a protein, oligonucleotide thiophosphate, or low molecular weight ligand. The maleimide group specifically and efficiently reacts with reduced thiols (sulfhydryl groups, –SH) at pH 6.5 to 7.5 to form stable thioether bond. The resulting conjugates exhibit brighter fluorescence and greater photostability than the conjugates of many other spectrally similar fluorophores.
APDye™ Fluor 647 is structurally similar to Alexa Fluor¬ 647, and spectrally is almost identical to Cy5 Dye, Alexa Fluor¬ 647, CF¬ 647 Dye, or any other Cyanine5 based fluorescent dyes.

Axis Pharma offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.

SHIPPING & DELIVERY
Ships within: 24 hours
Storage condition: -20 ® C
Shipping: Ambient Temperature

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